LTC1821-1BCGW#PBF

Product Overview

Category

The LTC1821-1BCGW#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to regulate and control power supply, ensuring efficient and reliable operation.

Characteristics

• High-performance power management IC
• Low power consumption
• Wide input voltage range
• Multiple output channels
• High efficiency
• Compact package size

Package

The LTC1821-1BCGW#PBF is available in a small form factor package, making it suitable for space-constrained applications. It is commonly found in a 24-pin SSOP (Shrink Small Outline Package).

Essence

The essence of the LTC1821-1BCGW#PBF lies in its ability to efficiently manage power supply, providing stable and regulated voltages to different components within an electronic system.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable, depending on application requirements
• Number of Output Channels: 4
• Maximum Output Current: 500mA per channel
• Operating Temperature Range: -40°C to 85°C
• Package Type: 24-pin SSOP

Detailed Pin Configuration

The LTC1821-1BCGW#PBF features a 24-pin SSOP package with the following pin configuration:

1. VCC
2. GND
3. OUT1
4. OUT2
5. OUT3
6. OUT4
7. FB1
8. FB2
9. FB3
10. FB4
11. EN1
12. EN2
13. EN3
14. EN4
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC
21. NC
22. NC
23. NC
24. NC

Functional Features

• High-efficiency voltage regulation
• Overcurrent protection
• Thermal shutdown protection
• Adjustable output voltages
• Low quiescent current
• Enable/disable control for each output channel

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving designs
• Wide input voltage range enables compatibility with various power sources
• Multiple output channels provide flexibility in powering different components
• High efficiency results in reduced power consumption and heat generation

Disadvantages

• Limited maximum output current per channel (500mA)
• Not suitable for high-power applications requiring higher output currents

Working Principles

The LTC1821-1BCGW#PBF operates based on a switching regulator topology. It utilizes internal control circuitry to regulate the input voltage and provide stable output voltages to connected devices. The IC employs pulse-width modulation (PWM) techniques to efficiently convert the input voltage to the desired output voltage levels.

Detailed Application Field Plans

The LTC1821-1BCGW#PBF finds applications in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered systems - Industrial automation - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• LTC1821-2BCGW#PBF: Similar to LTC1821-1BCGW#PBF, but with 2 output channels instead of 4.
• LTC1821-3BCGW#PBF: Similar to LTC1821-1BCGW#PBF, but with 3 output channels instead of 4.
• LTC1821-4BCGW#PBF: Similar to LTC1821-1BCGW#PBF, but with 4 output channels and higher maximum output current.

These alternative models provide options for different application requirements, allowing designers to choose the most suitable IC based on their specific needs.

In conclusion, the LTC1821-1BCGW#PBF is a high-performance power management IC that offers efficient voltage regulation and multiple output channels. Its compact package size and wide input voltage range make it suitable for various electronic devices and systems. However, its limited maximum output current per channel may restrict its use in high-power applications.